linux/drivers/input/misc/xen-kbdfront.c

/*
 * Xen para-virtual input device
 *
 * Copyright (C) 2005 Anthony Liguori <[email protected]>
 * Copyright (C) 2006-2008 Red Hat, Inc., Markus Armbruster <[email protected]>
 *
 *  Based on linux/drivers/input/mouse/sermouse.c
 *
 *  This file is subject to the terms and conditions of the GNU General Public
 *  License. See the file COPYING in the main directory of this archive for
 *  more details.
 */

#define pr_fmt(fmt) …

#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/input.h>
#include <linux/input/mt.h>
#include <linux/slab.h>

#include <asm/xen/hypervisor.h>

#include <xen/xen.h>
#include <xen/events.h>
#include <xen/page.h>
#include <xen/grant_table.h>
#include <xen/interface/grant_table.h>
#include <xen/interface/io/fbif.h>
#include <xen/interface/io/kbdif.h>
#include <xen/xenbus.h>
#include <xen/platform_pci.h>

struct xenkbd_info { … };

enum { … };
static int ptr_size[KPARAM_CNT] = …;
module_param_array(…);
MODULE_PARM_DESC(…) …;

static void xenkbd_remove(struct xenbus_device *);
static int xenkbd_connect_backend(struct xenbus_device *, struct xenkbd_info *);
static void xenkbd_disconnect_backend(struct xenkbd_info *);

/*
 * Note: if you need to send out events, see xenfb_do_update() for how
 * to do that.
 */

static void xenkbd_handle_motion_event(struct xenkbd_info *info,
				       struct xenkbd_motion *motion)
{ … }

static void xenkbd_handle_position_event(struct xenkbd_info *info,
					 struct xenkbd_position *pos)
{ … }

static void xenkbd_handle_key_event(struct xenkbd_info *info,
				    struct xenkbd_key *key)
{ … }

static void xenkbd_handle_mt_event(struct xenkbd_info *info,
				   struct xenkbd_mtouch *mtouch)
{ … }

static void xenkbd_handle_event(struct xenkbd_info *info,
				union xenkbd_in_event *event)
{ … }

static irqreturn_t input_handler(int rq, void *dev_id)
{ … }

static int xenkbd_probe(struct xenbus_device *dev,
				  const struct xenbus_device_id *id)
{ … }

static int xenkbd_resume(struct xenbus_device *dev)
{ … }

static void xenkbd_remove(struct xenbus_device *dev)
{ … }

static int xenkbd_connect_backend(struct xenbus_device *dev,
				  struct xenkbd_info *info)
{ … }

static void xenkbd_disconnect_backend(struct xenkbd_info *info)
{ … }

static void xenkbd_backend_changed(struct xenbus_device *dev,
				   enum xenbus_state backend_state)
{ … }

static const struct xenbus_device_id xenkbd_ids[] = …;

static struct xenbus_driver xenkbd_driver = …;

static int __init xenkbd_init(void)
{ … }

static void __exit xenkbd_cleanup(void)
{ … }

module_init(…) …;
module_exit(xenkbd_cleanup);

MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;
MODULE_ALIAS(…) …;